142100104123 has 4 divisors (see below), whose sum is σ = 142666240248. Its totient is φ = 141533968000.

The previous prime is 142100104079. The next prime is 142100104129. The reversal of 142100104123 is 321401001241.

142100104123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321401001241 = 139 ⋅2312237419.

It is a cyclic number.

It is not a de Polignac number, because 142100104123 - 2⁹ = 142100103611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142100104123.

It is not an unprimeable number, because it can be changed into a prime (142100104129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283067686 + ... + 283068187.

It is an arithmetic number, because the mean of its divisors is an integer number (35666560062).

Almost surely, 2^142100104123 is an apocalyptic number.

142100104123 is a deficient number, since it is larger than the sum of its proper divisors (566136125).

142100104123 is an equidigital number, since it uses as much as digits as its factorization.

142100104123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566136124.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 142100104123 its reverse (321401001241), we get a palindrome (463501105364).

The spelling of 142100104123 in words is "one hundred forty-two billion, one hundred million, one hundred four thousand, one hundred twenty-three".